A banana spider (Nephila clavipes) waits for prey in its web at Bonnet House Museum and Gardens in Fort Lauderdale, Florida. The female, which are larger than the males, grow up to three inches in length. Their webs, which can be up to six feet in diameter, are the strongest of any species of spiders. Both males and females are predatory. Their prey includes mosquitoes, bees, butterflies, flies, small moths and wasps. They are also called Golden Silk spiders, Calico spiders, Giant Wood spiders, Golden Silk Orb Weavers and Writing spiders.